Add code generation for ConditionalFeatures bindings code

third_party/WebKit/Source/bindings/modules/v8/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//third_party/WebKit/Source/bindings/modules/v8/generated.gni")
 import("//third_party/WebKit/Source/bindings/scripts/scripts.gni")
 import("//third_party/WebKit/Source/modules/modules.gni")
 import("//third_party/WebKit/Source/modules/modules_idl_files.gni")
 
 visibility = [ "//third_party/WebKit/*" ]
@@ skipping 30 matching lines @@
   target_component = "modules"
 }
 
 idl_compiler("generate_bindings_modules_v8_partial_interfaces_for_testing") {
   sources = webcore_testing_idl_with_modules_dependency_files
   output_dir = bindings_modules_v8_output_dir
   output_name_suffix = "Partial"
   target_component = "modules"
 }
 
+generate_conditional_features("bindings_modules_conditional_features") {
+  sources =
+      modules_idl_files + modules_global_constructors_generated_idl_files +
+      modules_dependency_idl_files
+  component = "Modules"
+  output_dir = bindings_modules_output_dir + "/v8"
+  deps = [
+    "//third_party/WebKit/Source/bindings/modules:modules_global_constructors_idls",
+  ]
+}
+
 action("bindings_modules_v8_generated_init_partial") {
   script = "$bindings_scripts_dir/generate_init_partial_interfaces.py"
 
   inputs = [
     "$bindings_modules_output_dir/InterfacesInfoOverall.pickle",
   ]
   outputs = [
     bindings_modules_generated_init_partial_interfaces_file,
   ]
 
@@ skipping 14 matching lines @@
   ]
 }
 
 blink_modules_sources("bindings_modules_impl") {
   # ":generate_bindings_modules_v8_partial_interfaces_for_testing" is not
   # included here.
   sources =
       get_target_outputs(":generate_bindings_modules_v8_interfaces") +
       get_target_outputs(":bindings_modules_impl_generated") +
       get_target_outputs(":generate_bindings_modules_v8_partial_interfaces") +
-      get_target_outputs(":bindings_modules_v8_generated_init_partial")
+      get_target_outputs(":bindings_modules_v8_generated_init_partial") +
+      get_target_outputs(":bindings_modules_conditional_features")
 
   deps = [
+    ":bindings_modules_conditional_features",
     ":bindings_modules_v8_generated",
   ]
 
   if (!is_component_build && is_win) {
     # This target as a static library (for non-component builds) is >4GB on
     # Windows, this causes linking to fail. As a workaround, split it into
     # multiple shards.
     split_count = 5
   }
 }